| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.04 | 4.06 | -0.02 |
| Feb | 3.47 | 3.51 | -0.04 |
| Mar | 4.62 | 4.76 | -0.14 |
| Apr | 4.50 | 4.55 | -0.05 |
| May | 3.61 | 3.56 | 0.05 |
| Jun | 4.26 | 4.32 | -0.06 |
| Jul | 3.65 | 3.68 | -0.03 |
| Aug | 4.06 | 4.12 | -0.06 |
| Sep | 4.13 | 4.08 | 0.05 |
| Oct | 5.02 | 5.00 | 0.02 |
| Nov | 4.13 | 4.15 | -0.02 |
| Dec | 4.80 | 5.01 | -0.21 |
50.29 | 50.80 | -0.51 |